<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<center>
    <img src="./log.jpg" style="width: 200px;"><br>
    <input type="text">
    <input type="button" value="百度一下" onclick="alert('点点点')"><br>
    <a href="http://www.taobao.com">淘宝</a>
    <a href="https://www.douyin.com/">抖音</a><br>
    <table>
        <tr>
            <td>第一列</td>
            <td>二</td>
            <td>三</td>
            <td>四</td>
        </tr>
        <tr>
            <td>第一列</td>
            <td colspan="2" align="center">二</td>

            <td>四</td>
        </tr>
        <tr>
            <td rowspan="2" >第一列</td>
            <td>二</td>
            <td>三</td>
            <td>四</td>
        </tr>
        <tr>

            <td>二</td>
            <td>三</td>
            <td>四</td>
        </tr>
    </table>

</center>
</body>
</html>